A simple family relationships ontology and associated instances. the description is of the family of Robert Stevens and the intention is to use the minimal of asserted relationships and the maximum of inference. To do this I've used role chains, nominals and properties hierarchies.186818711936192719881846189518591968183719651806180818321790185418331763183117991880180919641829186119901901Beatty2005199418211865194718221845Catherine18401911Maria186418531863194918951961BenBenny1842183118541865Aunt Miserable19281932189418401863194019851849189618891815192918451810Illegitimate daughter of Catherinme thompson; george_gardener is suspected to be the father.181318521771184418501802186718271795187418211929186318081869Ellen17411858182518421846184318071888elizabeth hutchinson1760183818691810180318051886178718501875184417971844189319641903199618601836183919911951191218881840200218801834181618951779183019201967184618831877186918891760181218341814185218471807183518561831186518781967183918041865fanny1844180118501852182518541811185818611930Steven20011854183919551873192618621936188718361921184918251820183118711890198318411726194419061990190118941918821921194017571840188717611836178718091894183918651774183618911815188318501804181118061876183619221946186017791852180317981830190018091792182118861848183618371784182018231849183619341804183517781862184218021843179118111768183818451773183418921789182418401802187418331873193818161841182718331837200319211941187119241904185919941891187118901880187119411817185719981993184420081863192918951926179618261854189418591831180818621803195818341848182719471801a breeding relationshipa breeding relationship only.18011803175617961829186218011872190618101969188517851820187918111859183218541946191718811800178918661876186118351872181518451862183318001800183818971934187519221931196018111835180618321916181418741816194418151847184118461852181018241850188517801802186318691855193518621803181018011895184018651818180818091811181418371939199518711909188019641826189919091944193819381950196218101775181118571801199918181845180017931816177318501822199318951969200618971917180718771842176218131906180718131906Rosie184719441811186918321829181717871801188618151821183419361812181818291790181018481839184918061850184917681829194919601836180318411919177718531813183419151899181018381849186817651826187418671806188518201826193119041922192018081879188719651894196218631885180118321827200119011982Bill1813183318751790186618041861william heath1805187019411815185418731899Stan179918271783186318181786180818521823194018101810